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Public participants collect dragonfly larvae in Glacier Bay National Park and Preserve as part of the Dragonfly Mercury Project

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Public participants collect dragonfly larvae in Glacier Bay National Park and Preserve as part of the Dragonfly Mercury Proje
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Public participants collect dragonfly larvae in Glacier Bay National Park and Preserve as part of the Dragonfly Mercury Project. Photo credit: NPS

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Public Domain.

Photo credit: NPS